From: Tim Hunter <cyclists@...>
Date: 2003-12-19T09:21:57+09:00
Subject: Re: How to return more than one result from a method?

On Fri, 19 Dec 2003 09:12:20 +0900, Chad Fowler wrote:
> 
> What does the Float represent?  Perhaps there is a relationship between 
> the two that would make a new type of class communicate better.  My 
> thought is (generally) that if you can't tie the two return values 
> together in some kind of meaningful way, you may be doing more than one 
> job in the method and you could split the method in two.  That's just a 
> heuristic of course.  Can you explain what the method does a little more?
> 

The method compares two Images and returns a "difference" image (a new
Image that graphically highlights the differences between the two input
images). The Float is a "distortion" statistic - a measure of the amount
of difference between the two.